EP2642700A4 - Closed-path formation forestalling system and closed-path formation forestalling method - Google Patents

Closed-path formation forestalling system and closed-path formation forestalling method Download PDF

Info

Publication number: EP2642700A4
Authority: EP; European Patent Office
Prior art keywords: forestalling; closed; path formation; formation; path
Prior art date: 2010-11-18
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP11840851.7A

Other languages

German (de)

French (fr)

Other versions

EP2642700A1 (en

Inventor

Hideki Ogawa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NEC Corp

Original Assignee

NEC Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2010-11-18

Filing date

2011-08-09

Publication date

2017-09-27

2011-08-09 Application filed by NEC Corp filed Critical NEC Corp

2013-09-25 Publication of EP2642700A1 publication Critical patent/EP2642700A1/en

2017-09-27 Publication of EP2642700A4 publication Critical patent/EP2642700A4/en

Status Withdrawn legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/70—Routing based on monitoring results
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/20—Arrangements for monitoring or testing data switching networks the monitoring system or the monitored elements being virtualised, abstracted or software-defined entities, e.g. SDN or NFV
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/18—Loop-free operations
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
- H04L49/3009—Header conversion, routing tables or routing tags
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Cardiology (AREA)
General Health & Medical Sciences (AREA)
Data Exchanges In Wide-Area Networks (AREA)

EP11840851.7A 2010-11-18 2011-08-09 Closed-path formation forestalling system and closed-path formation forestalling method Withdrawn EP2642700A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2010257781		2010-11-18
PCT/JP2011/068116 WO2012066830A1 (en)	2010-11-18	2011-08-09	Closed-path formation forestalling system and closed-path formation forestalling method

Publications (2)

Publication Number	Publication Date
EP2642700A1 EP2642700A1 (en)	2013-09-25
EP2642700A4 true EP2642700A4 (en)	2017-09-27

Family

ID=46083774

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP11840851.7A Withdrawn EP2642700A4 (en)	2010-11-18	2011-08-09	Closed-path formation forestalling system and closed-path formation forestalling method

Country Status (5)

Country	Link
US (1)	US9143447B2 (en)
EP (1)	EP2642700A4 (en)
JP (1)	JP5435317B2 (en)
CN (1)	CN103210615B (en)
WO (1)	WO2012066830A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2013161122A (en) *	2012-02-01	2013-08-19	Canon Inc	Data processing device, information processing method, and program
CN104185972A (en) *	2012-03-05	2014-12-03	日本电气株式会社	Network system, switch, and network building method
CN103703726B (en) *	2012-06-29	2017-04-26	华为技术有限公司	Method, device and system for controlling data packets
US8982727B2 (en) *	2012-10-22	2015-03-17	Futurewei Technologies, Inc.	System and apparatus of generalized network controller for a software defined network (SDN)
EP2947819A4 (en)	2013-01-21	2016-08-17	Nec Corp	Control information management device, control information presentation method, and program
KR101569588B1 (en) *	2013-08-29	2015-11-16	주식회사 케이티	Method for controlling egress or packets and apparatus using the same
WO2015040625A1 (en)	2013-09-23	2015-03-26	Hewlett-Packard Development Company, L.P.	Troubleshooting openflow networks
WO2015066208A1 (en) *	2013-11-04	2015-05-07	Illumio, Inc.	Pairing in a distributed network management system that uses a logical multi-dimensional label-based policy model
WO2015176257A1 (en)	2014-05-21	2015-11-26	华为技术有限公司	Openflow device and ip network device communication method, device and system
WO2016019676A1 (en)	2014-08-06	2016-02-11	华为技术有限公司	Method, apparatus and system for processing data packet in software defined network (sdn)
CN105704020B (en) *	2014-11-25	2019-05-17	华为技术有限公司	Loop prevention method, equipment and system
CN106375357B (en) *	2015-07-22	2020-01-07	中兴通讯股份有限公司	Method and device for indicating connection state of software defined network equipment and controller
US10630575B2 (en)	2016-01-05	2020-04-21	Telefonaktiebolaget Lm Ericsson (Publ)	Mechanism to detect control plane loops in a software defined networking (SDN) network
CN112565026B (en) *	2021-02-20	2021-06-04	支付宝(杭州)信息技术有限公司	Test frame generation method, device and equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20070230357A1 (en) *	2006-03-31	2007-10-04	Nortel Networks Limited	Loop detection in a communications network
WO2010103909A1 (en) *	2009-03-09	2010-09-16	日本電気株式会社	OpenFlow COMMUNICATION SYSTEM AND OpenFlow COMMUNICATION METHOD
US7826381B1 (en) *	2008-05-30	2010-11-02	Spirent Communications, Inc.	Method and device test data streams bound to emulated devices

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6975592B1 (en) *	2000-11-22	2005-12-13	Nortel Networks Limited	Configurable rule-engine for layer-7 and traffic characteristic-based classification
US7139278B2 (en)	2001-12-21	2006-11-21	Nortel Networks Limited	Routing traffic in a communications network
US7369557B1 (en) *	2004-06-03	2008-05-06	Cisco Technology, Inc.	Distribution of flows in a flow-based multi-processor system
JP2007049495A (en)	2005-08-10	2007-02-22	Mitsubishi Electric Corp	Ring node apparatus
US7453818B2 (en)	2006-05-01	2008-11-18	Cisco Technology, Inc.	Detection of potential forwarding loops in bridged networks
US7848331B2 (en) *	2006-07-20	2010-12-07	Oracle America, Inc.	Multi-level packet classification
CN101159981B (en)	2007-10-26	2011-06-08	华为技术有限公司	Call routing establishment method, network element equipment and network system
US8284665B1 (en) *	2008-01-28	2012-10-09	Juniper Networks, Inc.	Flow-based rate limiting
JP2010257781A (en)	2009-04-24	2010-11-11	J&K Car Electronics Corp	Electric wire, voice coil, electric wire coupling device, and method of manufacturing electric wire
US7872988B1 (en) *	2009-09-21	2011-01-18	Spirent Communications, Inc.	Methods and apparatuses for generating network test packets and parts of network test packets
US8443434B1 (en) *	2009-10-06	2013-05-14	Palo Alto Networks, Inc.	High availability security device
WO2011093288A1 (en) *	2010-02-01	2011-08-04	日本電気株式会社	Network system, controller, and network control method

2011
- 2011-08-09 EP EP11840851.7A patent/EP2642700A4/en not_active Withdrawn
- 2011-08-09 JP JP2012544132A patent/JP5435317B2/en not_active Expired - Fee Related
- 2011-08-09 CN CN201180053712.4A patent/CN103210615B/en not_active Expired - Fee Related
- 2011-08-09 WO PCT/JP2011/068116 patent/WO2012066830A1/en active Application Filing
- 2011-08-09 US US13/824,358 patent/US9143447B2/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20070230357A1 (en) *	2006-03-31	2007-10-04	Nortel Networks Limited	Loop detection in a communications network
US7826381B1 (en) *	2008-05-30	2010-11-02	Spirent Communications, Inc.	Method and device test data streams bound to emulated devices
WO2010103909A1 (en) *	2009-03-09	2010-09-16	日本電気株式会社	OpenFlow COMMUNICATION SYSTEM AND OpenFlow COMMUNICATION METHOD
US20110261825A1 (en) *	2009-03-09	2011-10-27	Nec Corporation	OpenFlow COMMUNICATION SYSTEM AND OpenFlow COMMUNICATION METHOD

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012066830A1 *

Also Published As

Publication number	Publication date
CN103210615A (en)	2013-07-17
CN103210615B (en)	2015-11-25
JP5435317B2 (en)	2014-03-05
WO2012066830A1 (en)	2012-05-24
US9143447B2 (en)	2015-09-22
JPWO2012066830A1 (en)	2014-05-12
EP2642700A1 (en)	2013-09-25
US20130176889A1 (en)	2013-07-11

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Legal Events

Date	Code	Title	Description
2013-08-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2013-09-25	17P	Request for examination filed	Effective date: 20130612
2013-09-25	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2014-02-26	DAX	Request for extension of the european patent (deleted)
2017-09-27	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20170830
2017-09-27	RIC1	Information provided on ipc code assigned before grant	Ipc: H04L 12/26 20060101AFI20170824BHEP Ipc: H04L 12/935 20130101ALI20170824BHEP Ipc: H04L 12/12 20060101ALI20170824BHEP Ipc: H04L 12/715 20130101ALN20170824BHEP Ipc: H04L 12/705 20130101ALI20170824BHEP
2018-08-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2018-09-19	18D	Application deemed to be withdrawn	Effective date: 20180327